On July 8th, 2019, 4:35 p.m. ET, an upgrade was performed to our Live API platform to improve serving latencies for our customers. This upgrade caused some customers to be unable to access Live API until 7:57 p.m. ET, when our team identified and resolved the root cause. Pages locators were unaffected.
The upgrade to Live API had been mistakenly configured with overly aggressive security settings. This caused Cloudflare, our CDN provider, to incorrectly flag and block requests from some of our clients. Reverting the security changes restored service to all affected customers.
We will be adding safeguards to detect and resolve this class of issues in our pre-production testing. Additionally, we will be building out infrastructure to allow our customers to test their integrations against upcoming Live API changes.